MALATHY, P.; RAMESH, D. N. A Quest for Accord and Reliability in Countdown. SMART MOVES JOURNAL IJELLH , [S. l.], v. 7, n. 2, p. 9, 2019. Disponível em: https://ijellh.com/OJS/index.php/OJS/article/view/6791. Acesso em: 13 apr. 2021.